edited documentation to take into account changes in TVL1

modules/video/doc/motion_analysis_and_object_tracking.rst

@@ -1078,10 +1078,14 @@ createOptFlow_DualTVL1
     .. ocv:member:: int iterations
 
         Stopping criterion iterations number used in the numerical scheme.
-
-
-
-
+		    
+	.. ocv:member:: double gamma
+
+        parameter used for motion estimation. It adds a variable allowing for illumination variations
+	 	Set this parameter to 1. if you have varying illumination.
+		See: [Chambolle2011]_ 
+	
+	
 DenseOpticalFlow::calc
 --------------------------
 Calculates an optical flow.
@@ -1110,6 +1114,9 @@ Releases all inner buffers.
 
 .. [Bradski00] Davis, J.W. and Bradski, G.R. "Motion Segmentation and Pose Recognition with Motion History Gradients", WACV00, 2000
 
+.. [Chambolle2011] Chambolle, A. and Pock, T. "A First-Order Primal-Dual Algorithm for Convex Problems with Applications to Imaging"
+		Journal of Mathematical imaging and vision, 2011, Vol 40 issue 1, pp 120-145
+
 .. [Davis97] Davis, J.W. and Bobick, A.F. "The Representation and Recognition of Action Using Temporal Templates", CVPR97, 1997
 
 .. [EP08] Evangelidis, G.D. and Psarakis E.Z. "Parametric Image Alignment using Enhanced Correlation Coefficient Maximization", IEEE Transactions on PAMI, vol. 32, no. 10, 2008